Abstract:A series of polycarboxylate superplasticizers (PCEs) with different molecular structures and shrinkage reducing performance were synthesized by modifying PCE with butyl acrylate (BA), and their molecular structures were characterized. The influence of BA on the dispersion and shrinkage reducing performance of PCEs and the influence of PCEs grafting different ration of BA on the hydration of cement were investigated in detail. Furthermore, the mechanisms of BA improving PCE shrinkage reducing performance were e… Show more
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